Dell P21T Removing the LED Board, Installing the LED Board, Removing the Memory

a. battery
b. base cover
7. Follow the procedures in After Working Inside Your Computer.
Removing the LED Board
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. base cover
b. battery
c. hard-drive assembly
3. Perform the following steps:
a. Disconnect the LED board cable from its connector on the system board [1] [2].
b. Remove the screw that secures the LED board to the computer [3].
c. Remove the LED board from the computer [4].
Installing the LED Board
1. Insert the LED board into its place on the computer.
2. Tighten the screw to secure the LED board to the computer.
3. Connect the LED board cable to its connector on the system board.
4. Install the:
a. hard-drive assembly
b. battery
c. base cover
5. Follow the procedures in After Working Inside Your Computer.
Removing the Memory
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
a. base cover
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